Abstract
The article presents the results of experimental studies that are proposed to be used to develop an oxygen sensor used in cars. The lambda probes that are currently in operation use materials that require heating from 300 to 700oC, which complicates their design and increases the cost. In the variant proposed by the author, a capacitor cell filled with a liquid crystal is used. The principle of operation is based on the flexoelectric effect observed with small bending deformations of thin LC layers. This sensor design provides the following advantages: display accuracy, small dimensions, low cost, reduced temperature values.
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